2006 Alfa Romeo 166 vs. 1990 Renault 21
To start off, 2006 Alfa Romeo 166 is newer by 16 year(s). Which means there will be less support and parts availability for 1990 Renault 21. In addition, the cost of maintenance, including insurance, on 1990 Renault 21 would be higher. At 2,386 cc (5 cylinders), 2006 Alfa Romeo 166 is equipped with a bigger engine. In terms of performance, 1990 Renault 21 (175 HP @ 5200 RPM) has 27 more horse power than 2006 Alfa Romeo 166. (148 HP @ 4000 RPM) In normal driving conditions, 1990 Renault 21 should accelerate faster than 2006 Alfa Romeo 166. With that said, vehicle weight also plays an important factor in acceleration. 2006 Alfa Romeo 166 weights approximately 240 kg more than 1990 Renault 21.
Because 1990 Renault 21 is four wheel drive (4WD), it will have significant more traction and grip than 2006 Alfa Romeo 166. In wet, icy, snow, or gravel driving conditions, 1990 Renault 21 will offer significantly more control. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2006 Alfa Romeo 166 (305 Nm @ 1800 RPM) has 34 more torque (in Nm) than 1990 Renault 21. (271 Nm @ 3000 RPM). This means 2006 Alfa Romeo 166 will have an easier job in driving up hills or pulling heavy equipment than 1990 Renault 21.
Compare all specifications:
| 2006 Alfa Romeo 166 | 1990 Renault 21 | |
| Make | Alfa Romeo | Renault |
| Model | 166 | 21 |
| Year Released | 2006 | 1990 |
| Engine Position | Front | Front |
| Engine Size | 2386 cc | 2068 cc |
| Engine Cylinders | 5 cylinders | 4 cylinders |
| Engine Type | in-line | in-line |
| Horse Power | 148 HP | 175 HP |
| Engine RPM | 4000 RPM | 5200 RPM |
| Torque | 305 Nm | 271 Nm |
| Torque RPM | 1800 RPM | 3000 RPM |
| Engine Bore Size | 82 mm | 88 mm |
| Engine Stroke Size | 90.4 mm | 82 mm |
| Top Speed | 210 km/hour | 222 km/hour |
| Drive Type | Front | 4WD |
| Transmission Type | Manual | Manual |
| Number of Seats | 5 seats | 5 seats |
| Number of Doors | 4 doors | 4 doors |
| Vehicle Weight | 1585 kg | 1345 kg |
| Vehicle Length | 4730 mm | 4650 mm |
| Vehicle Width | 1810 mm | 1720 mm |
| Vehicle Height | 1420 mm | 1450 mm |
| Wheelbase Size | 2710 mm | 2610 mm |
| Fuel Tank Capacity | 69 L | 62 L |
